#668917
Closest named color: Mossy Green (#638B27). oklch(58.3% 0.14 126.2), rgb(102, 137, 23).
Aa
Black text reads best on this color (5.15:1).
About this color
#668917 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.140 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.009 away. Black text reads best on it, at 5.15:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #668917 |
| RGB | rgb(102, 137, 23) |
| HSL | hsl(78, 71%, 31%) |
| OKLCH | oklch(58.3% 0.14 126.2) |
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 #668917 | 4.07:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #668917 | 5.15:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #668917 text on white | 4.07:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #668917 text on black | 5.15:1 | AA | Lc -33.9 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D3DEC5
oklch(88.5% 0.036 126.6)
-
Step 300
300
#B6C99D
oklch(81% 0.063 126.8)
-
Step 400
400
#91AC65
oklch(70.7% 0.101 125.9)
-
Step 500
500
#769738
oklch(63.1% 0.128 126.1)
-
Step 600
600 (this color)
#668917
oklch(58.3% 0.14 126.2)
-
Step 700
700
#4F6C00
oklch(49% 0.125 125.9)
-
Step 800
800
#405902
oklch(42.8% 0.108 126.3)
-
Step 900
900
#364910
oklch(37.6% 0.084 126.3)
-
Step 950
950
#202B0C
oklch(27% 0.053 126.1)
#668917 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) | #917F00 | 0.065 |
| Deuteranopia (no green cones) | #8C7D24 | 0.066 |
| Tritanopia (no blue cones) | #6B8274 | 0.113 |
| Achromatopsia (no color) | #7E7E7E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668917
#668917
oklch(58.3% 0.14 126.2)
- #9062BC
#9062BC
oklch(58.3% 0.14 306.1)
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 #668917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.009
- Sap Green #5C8B15 ΔE 0.013
- Olive Drab #6B8E23 ΔE 0.017
- Swamp Green #748500 ΔE 0.019
- Moss Green #658B38 ΔE 0.023
- Dark Yellow Green #728F02 ΔE 0.026
- Fern Green #548D44 ΔE 0.035
- Khaki Green #728639 ΔE 0.036
Use #668917 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.