#657B10
Closest named color: Olive Green (#677A04). oklch(54.6% 0.126 121.6), rgb(101, 123, 16).
Aa
White text reads best on this color (4.77:1).
About this color
#657B10 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.126 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 0.004 away. White text reads best on it, at 4.77:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #657B10 |
| RGB | rgb(101, 123, 16) |
| HSL | hsl(72, 77%, 27%) |
| OKLCH | oklch(54.6% 0.126 121.6) |
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 #657B10 | 4.77:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #657B10 | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #657B10 text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #657B10 text on black | 4.39:1 | AA large text | Lc -28.7 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#BAC79E
oklch(80.9% 0.057 122)
-
Step 400
400
#97AA69
oklch(70.7% 0.091 122)
-
Step 500
500
#7E943D
oklch(63.1% 0.116 121.7)
-
Step 600
600 (this color)
#657B10
oklch(54.6% 0.126 121.6)
-
Step 700
700
#566A03
oklch(49% 0.117 121.8)
-
Step 800
800
#47570B
oklch(42.8% 0.097 121.6)
-
Step 900
900
#3B4814
oklch(37.8% 0.076 122.1)
-
Step 950
950
#232A0D
oklch(27% 0.048 121)
#657B10 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) | #837300 | 0.048 |
| Deuteranopia (no green cones) | #80731D | 0.048 |
| Tritanopia (no blue cones) | #6B7468 | 0.106 |
| Achromatopsia (no color) | #727272 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657B10
#657B10
oklch(54.6% 0.126 121.6)
- #7E5CAD
#7E5CAD
oklch(54.5% 0.126 301.7)
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 #657B10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.004
- Murky Green #6C7A0E ΔE 0.010
- Swamp #698339 ΔE 0.035
- Military Green #667C3E ΔE 0.037
- Muddy Green #657432 ΔE 0.037
- Swamp Green #748500 ΔE 0.038
- Olive #808000 ΔE 0.043
- Browny Green #6F6C0A ΔE 0.044
Use #657B10 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.