#657E00
Closest named color: Olive Green (#677A04). oklch(55.3% 0.135 122.4), rgb(101, 126, 0).
Aa
White text reads best on this color (4.62:1).
About this color
#657E00 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.135 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 4.62:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #657E00 |
| RGB | rgb(101, 126, 0) |
| HSL | hsl(72, 100%, 25%) |
| OKLCH | oklch(55.3% 0.135 122.4) |
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 #657E00 | 4.62:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #657E00 | 4.53:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #657E00 text on white | 4.62:1 | AA | Lc 71.9 | Content text, not long reading |
| #657E00 text on black | 4.53:1 | AA | Lc -29.7 | 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
#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
#B9C79C
oklch(80.8% 0.06 122.4)
-
Step 400
400
#96AB65
oklch(70.8% 0.097 122.5)
-
Step 500
500
#7C9537
oklch(63.1% 0.124 122.6)
-
Step 600
600 (this color)
#657E00
oklch(55.3% 0.135 122.4)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#3A480F
oklch(37.7% 0.081 122.5)
-
Step 950
950
#222A0B
oklch(26.9% 0.051 122.1)
#657E00 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 | 0.054 |
| Deuteranopia (no green cones) | #837515 | 0.053 |
| Tritanopia (no blue cones) | #6B776A | 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°).
- #657E00
#657E00
oklch(55.3% 0.135 122.4)
- #825CB3
#825CB3
oklch(55.3% 0.135 302.4)
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 #657E00, 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 0.017
- Swamp Green #748500 ΔE 0.031
- Swamp #698339 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.037
- Mossy Green #638B27 ΔE 0.037
- Olive #808000 ΔE 0.041
- Moss Green #658B38 ΔE 0.043
Use #657E00 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.