#66870E
Closest named color: Mossy Green (#638B27). oklch(57.7% 0.141 125.3), rgb(102, 135, 14).
Aa
Black text reads best on this color (5.03:1).
About this color
#66870E is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.141 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.014 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #66870E |
| RGB | rgb(102, 135, 14) |
| HSL | hsl(76, 81%, 29%) |
| OKLCH | oklch(57.7% 0.141 125.3) |
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 #66870E | 4.16:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #66870E | 5.03:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #66870E text on white | 4.16:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #66870E text on black | 5.03:1 | AA | Lc -33.1 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D3DEC5
oklch(88.5% 0.036 126.6)
-
Step 300
300
#B7C89C
oklch(80.8% 0.063 124.9)
-
Step 400
400
#92AC64
oklch(70.7% 0.102 125.1)
-
Step 500
500
#779735
oklch(63.2% 0.13 125.4)
-
Step 600
600 (this color)
#66870E
oklch(57.7% 0.141 125.3)
-
Step 700
700
#506C00
oklch(49.1% 0.124 125.4)
-
Step 800
800
#415800
oklch(42.6% 0.107 125.2)
-
Step 900
900
#37490E
oklch(37.7% 0.085 125.3)
-
Step 950
950
#202B0B
oklch(27% 0.054 125.8)
#66870E 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 | 0.063 |
| Deuteranopia (no green cones) | #8B7C1E | 0.063 |
| Tritanopia (no blue cones) | #6B8072 | 0.114 |
| Achromatopsia (no color) | #7C7C7C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66870E
#66870E
oklch(57.7% 0.141 125.3)
- #8E61BB
#8E61BB
oklch(57.8% 0.14 305.5)
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 #66870E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.014
- Sap Green #5C8B15 ΔE 0.015
- Swamp Green #748500 ΔE 0.018
- Olive Drab #6B8E23 ΔE 0.023
- Moss Green #658B38 ΔE 0.027
- Dark Yellow Green #728F02 ΔE 0.030
- Swamp #698339 ΔE 0.036
- Olive Green #677A04 ΔE 0.037
Use #66870E 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.