#318F33
Closest named color: Kelley Green (#009337). oklch(57.5% 0.157 143.5), rgb(49, 143, 51).
Aa
Black text reads best on this color (5.10:1).
About this color
#318F33 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.157 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.018 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #318F33 |
| RGB | rgb(49, 143, 51) |
| HSL | hsl(121, 49%, 38%) |
| OKLCH | oklch(57.5% 0.157 143.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #318F33 | 4.11:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #318F33 | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #318F33 text on white | 4.11:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #318F33 text on black | 5.10:1 | AA | Lc -33.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE0C9
oklch(88.4% 0.039 144)
-
Step 300
300
#A6CDA4
oklch(80.9% 0.07 143.6)
-
Step 400
400
#74B372
oklch(70.7% 0.113 143.6)
-
Step 500
500
#4C9F4C
oklch(63.1% 0.144 143.6)
-
Step 600
600 (this color)
#318F33
oklch(57.5% 0.157 143.5)
-
Step 700
700
#1B741F
oklch(49% 0.145 143.5)
-
Step 800
800
#1A5F1C
oklch(42.8% 0.121 143.5)
-
Step 900
900
#1D4E1D
oklch(37.8% 0.095 143.4)
-
Step 950
950
#122E12
oklch(27.1% 0.06 143.7)
#318F33 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #928228 | 0.114 |
| Deuteranopia (no green cones) | #867A3B | 0.113 |
| Tritanopia (no blue cones) | #1C8B7C | 0.099 |
| Achromatopsia (no color) | #7D7D7D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318F33
#318F33
oklch(57.5% 0.157 143.5)
- #A453AD
#A453AD
oklch(57.5% 0.158 323.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #318F33, closest first.
No curated palette has a color within ΔE 0.04 of #318F33.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.018
- Forest Green #228B22 ΔE 0.021
- Irish Green #019529 ΔE 0.027
- Emerald Green #028F1E ΔE 0.027
- Sap Green #5C8B15 ΔE 0.037
- True Green #089404 ΔE 0.039
- Fern Green #548D44 ΔE 0.039
- Mossy Green #638B27 ΔE 0.044
Use #318F33 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.