#667E51
Closest named color: Military Green (#667C3E). oklch(56.2% 0.072 131.2), rgb(102, 126, 81).
Aa
Black text reads best on this color (4.66:1).
About this color
#667E51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.072 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.023 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #667E51 |
| RGB | rgb(102, 126, 81) |
| HSL | hsl(92, 22%, 41%) |
| OKLCH | oklch(56.2% 0.072 131.2) |
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 #667E51 | 4.49:1 | AA large text | Lc -76.7 | Fine for body text |
| Black text on #667E51 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #667E51 text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #667E51 text on black | 4.66:1 | AA | Lc -30.5 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#95A886
oklch(70.7% 0.053 131.5)
-
Step 500
500
#7B9268
oklch(63.1% 0.066 131.4)
-
Step 600
600 (this color)
#667E51
oklch(56.2% 0.072 131.2)
-
Step 700
700
#536940
oklch(49.2% 0.067 131.4)
-
Step 800
800
#445535
oklch(42.6% 0.055 131.1)
-
Step 900
900
#39462E
oklch(37.5% 0.043 131.3)
-
Step 950
950
#22291B
oklch(26.9% 0.027 129.6)
#667E51 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) | #82784E | 0.042 |
| Deuteranopia (no green cones) | #7E7653 | 0.041 |
| Tritanopia (no blue cones) | #677A73 | 0.055 |
| Achromatopsia (no color) | #777777 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667E51
#667E51
oklch(56.2% 0.072 131.2)
- #836994
#836994
oklch(56.2% 0.072 311.6)
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 #667E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.023
- Dark Sage #598556 ΔE 0.023
- Swamp #698339 ΔE 0.036
- Muddy Green #657432 ΔE 0.040
- Khaki Green #728639 ΔE 0.044
- Drab #828344 ΔE 0.046
- Slate Green #658D6D ΔE 0.049
- Grey Brown #7F7053 ΔE 0.054
Use #667E51 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.