#667E00
Closest named color: Olive Green (#677A04). oklch(55.4% 0.134 122), rgb(102, 126, 0).
Aa
White text reads best on this color (4.61:1).
About this color
#667E00 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.134 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.012 away. White text reads best on it, at 4.61:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #667E00 |
| RGB | rgb(102, 126, 0) |
| HSL | hsl(71, 100%, 25%) |
| OKLCH | oklch(55.4% 0.134 122) |
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 #667E00 | 4.61:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #667E00 | 4.54:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #667E00 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #667E00 text on black | 4.54:1 | AA | Lc -29.8 | Dividers and decoration only |
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
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D5DDC5
oklch(88.5% 0.033 122.1)
-
Step 300
300
#BAC79C
oklch(80.8% 0.06 121.4)
-
Step 400
400
#96AA65
oklch(70.6% 0.096 122.1)
-
Step 500
500
#7D9536
oklch(63.1% 0.124 122.1)
-
Step 600
600 (this color)
#667E00
oklch(55.4% 0.134 122)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3B480F
oklch(37.8% 0.081 121.6)
-
Step 950
950
#222A0B
oklch(26.9% 0.051 122.1)
#667E00 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) | #867500 | 0.053 |
| Deuteranopia (no green cones) | #837515 | 0.052 |
| Tritanopia (no blue cones) | #6C776A | 0.112 |
| Achromatopsia (no color) | #757575 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667E00
#667E00
oklch(55.4% 0.134 122)
- #825DB3
#825DB3
oklch(55.4% 0.134 302.1)
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 #667E00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.012
- Murky Green #6C7A0E ΔE 0.016
- Swamp Green #748500 ΔE 0.030
- Swamp #698339 ΔE 0.035
- Mossy Green #638B27 ΔE 0.037
- Sap Green #5C8B15 ΔE 0.037
- Olive #808000 ΔE 0.039
- Moss Green #658B38 ΔE 0.043
Use #667E00 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.