#318D69
Closest named color: Viridian (#1E9167). oklch(57.9% 0.103 163.7), rgb(49, 141, 105).
Aa
Black text reads best on this color (5.14:1).
About this color
#318D69 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.103 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.016 away. Black text reads best on it, at 5.14:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #318D69 |
| RGB | rgb(49, 141, 105) |
| HSL | hsl(157, 48%, 37%) |
| OKLCH | oklch(57.9% 0.103 163.7) |
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 #318D69 | 4.08:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #318D69 | 5.14:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #318D69 text on white | 4.08:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #318D69 text on black | 5.14:1 | AA | Lc -34.0 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A6CBB8
oklch(81% 0.048 162.8)
-
Step 400
400
#74B094
oklch(70.8% 0.075 163.6)
-
Step 500
500
#4C9C7A
oklch(63.2% 0.095 163.7)
-
Step 600
600 (this color)
#318D69
oklch(57.9% 0.103 163.7)
-
Step 700
700
#197151
oklch(49% 0.096 163.6)
-
Step 800
800
#195C43
oklch(42.6% 0.079 164.1)
-
Step 900
900
#1C4C38
oklch(37.7% 0.063 163.2)
-
Step 950
950
#122C21
oklch(26.8% 0.039 164.2)
#318D69 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) | #8A8367 | 0.100 |
| Deuteranopia (no green cones) | #7E7A6B | 0.098 |
| Tritanopia (no blue cones) | #008D83 | 0.040 |
| Achromatopsia (no color) | #7E7E7E | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318D69
#318D69
oklch(57.9% 0.103 163.7)
- #A46089
#A46089
oklch(57.9% 0.103 343.8)
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 #318D69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.016
- Sea Green #2E8B57 ΔE 0.025
- Ocean Green #3D9973 ΔE 0.038
- Dark Sage #598556 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.041
- Slate Green #658D6D ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.050
- Fern Green #548D44 ΔE 0.051
Use #318D69 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.