#318B08
Closest named color: Forest Green (#228B22). oklch(56.1% 0.174 139.2), rgb(49, 139, 8).
Aa
Black text reads best on this color (4.82:1).
About this color
#318B08 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.174 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.013 away. Black text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #318B08 |
| RGB | rgb(49, 139, 8) |
| HSL | hsl(101, 89%, 29%) |
| OKLCH | oklch(56.1% 0.174 139.2) |
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 #318B08 | 4.35:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #318B08 | 4.82:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #318B08 text on white | 4.35:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #318B08 text on black | 4.82:1 | AA | Lc -32.0 | 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
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A7CD9D
oklch(80.8% 0.078 139.2)
-
Step 400
400
#76B366
oklch(70.6% 0.125 139.3)
-
Step 500
500
#509F38
oklch(63% 0.159 139.2)
-
Step 600
600 (this color)
#318B08
oklch(56.1% 0.174 139.2)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1E5F01
oklch(42.7% 0.134 139.2)
-
Step 900
900
#1F4E10
oklch(37.7% 0.105 139.3)
-
Step 950
950
#132E0C
oklch(27.1% 0.066 139.6)
#318B08 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) | #8F7D00 | 0.116 |
| Deuteranopia (no green cones) | #85761E | 0.116 |
| Tritanopia (no blue cones) | #258675 | 0.118 |
| Achromatopsia (no color) | #797979 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318B08
#318B08
oklch(56.1% 0.174 139.2)
- #9F4BB4
#9F4BB4
oklch(56.1% 0.175 319.2)
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 #318B08, closest first.
No curated palette has a color within ΔE 0.04 of #318B08.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.013
- Emerald Green #028F1E ΔE 0.017
- True Green #089404 ΔE 0.029
- Irish Green #019529 ΔE 0.030
- Kelley Green #009337 ΔE 0.031
- Dark Grass Green #388004 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.042
- Green #008000 ΔE 0.042
Use #318B08 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.