#657C20
Closest named color: Murky Green (#6C7A0E). oklch(55% 0.119 122.7), rgb(101, 124, 32).
Aa
White text reads best on this color (4.71:1).
About this color
#657C20 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.119 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Murky Green (#6C7A0E), ΔE 0.011 away. White text reads best on it, at 4.71:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Murky Green (#6C7A0E) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #657C20 |
| RGB | rgb(101, 124, 32) |
| HSL | hsl(75, 59%, 31%) |
| OKLCH | oklch(55% 0.119 122.7) |
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 #657C20 | 4.71:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #657C20 | 4.45:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #657C20 text on white | 4.71:1 | AA | Lc 72.6 | Content text, not long reading |
| #657C20 text on black | 4.45:1 | AA large text | Lc -29.1 | 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
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#BAC7A1
oklch(81% 0.054 122.9)
-
Step 400
400
#97AA6D
oklch(70.8% 0.086 122.7)
-
Step 500
500
#7D9444
oklch(63.1% 0.11 122.9)
-
Step 600
600 (this color)
#657C20
oklch(55% 0.119 122.7)
-
Step 700
700
#556A14
oklch(49% 0.111 122.9)
-
Step 800
800
#465715
oklch(42.8% 0.092 122.9)
-
Step 900
900
#3B4719
oklch(37.6% 0.07 122.1)
-
Step 950
950
#222A10
oklch(27% 0.045 123.5)
#657C20 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) | #847410 | 0.048 |
| Deuteranopia (no green cones) | #817328 | 0.050 |
| Tritanopia (no blue cones) | #6A766A | 0.098 |
| Achromatopsia (no color) | #737373 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657C20
#657C20
oklch(55% 0.119 122.7)
- #7F5EAA
#7F5EAA
oklch(54.8% 0.119 302.7)
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 #657C20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Murky Green #6C7A0E ΔE 0.011
- Olive Green #677A04 ΔE 0.012
- Swamp #698339 ΔE 0.027
- Military Green #667C3E ΔE 0.028
- Muddy Green #657432 ΔE 0.032
- Swamp Green #748500 ΔE 0.038
- Khaki Green #728639 ΔE 0.040
- Olive #808000 ΔE 0.042
Use #657C20 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.