#66801F
Closest named color: Murky Green (#6C7A0E). oklch(56% 0.124 123.7), rgb(102, 128, 31).
Aa
Black text reads best on this color (4.67:1).
About this color
#66801F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 56%, its chroma 0.124 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Murky Green (#6C7A0E), ΔE 0.017 away. Black text reads best on it, at 4.67:1.
| Hue family | Yellows |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Murky Green (#6C7A0E) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #66801F |
| RGB | rgb(102, 128, 31) |
| HSL | hsl(76, 61%, 31%) |
| OKLCH | oklch(56% 0.124 123.7) |
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 #66801F | 4.49:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #66801F | 4.67:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #66801F text on white | 4.49:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #66801F text on black | 4.67:1 | AA | Lc -30.6 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A0
oklch(80.9% 0.055 123.7)
-
Step 400
400
#95AA6B
oklch(70.6% 0.089 123.7)
-
Step 500
500
#7C9541
oklch(63.2% 0.115 123.5)
-
Step 600
600 (this color)
#66801F
oklch(56% 0.124 123.7)
-
Step 700
700
#546B0E
oklch(49.2% 0.115 123.6)
-
Step 800
800
#445711
oklch(42.6% 0.096 123.9)
-
Step 900
900
#3A4817
oklch(37.8% 0.074 123.4)
-
Step 950
950
#222A0F
oklch(27% 0.046 123.2)
#66801F 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) | #88780C | 0.052 |
| Deuteranopia (no green cones) | #847728 | 0.053 |
| Tritanopia (no blue cones) | #6B796D | 0.103 |
| Achromatopsia (no color) | #777777 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66801F
#66801F
oklch(56% 0.124 123.7)
- #8460AF
#8460AF
oklch(56% 0.124 303.7)
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 #66801F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Murky Green #6C7A0E ΔE 0.017
- Olive Green #677A04 ΔE 0.018
- Swamp #698339 ΔE 0.023
- Swamp Green #748500 ΔE 0.028
- Mossy Green #638B27 ΔE 0.031
- Khaki Green #728639 ΔE 0.033
- Moss Green #658B38 ΔE 0.033
- Military Green #667C3E ΔE 0.034
Use #66801F 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.