#668227
Closest named color: Swamp (#698339). oklch(56.6% 0.121 125), rgb(102, 130, 39).
Aa
Black text reads best on this color (4.78:1).
About this color
#668227 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 57%, its chroma 0.121 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.017 away. Black text reads best on it, at 4.78:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #668227 |
| RGB | rgb(102, 130, 39) |
| HSL | hsl(78, 54%, 33%) |
| OKLCH | oklch(56.6% 0.121 125) |
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 #668227 | 4.38:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #668227 | 4.78:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #668227 text on white | 4.38:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #668227 text on black | 4.78:1 | AA | Lc -31.4 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC7
oklch(88.5% 0.031 125.2)
-
Step 300
300
#B8C7A1
oklch(80.8% 0.054 125.1)
-
Step 400
400
#94AA6D
oklch(70.6% 0.087 124.7)
-
Step 500
500
#7A9545
oklch(63.1% 0.112 125)
-
Step 600
600 (this color)
#668227
oklch(56.6% 0.121 125)
-
Step 700
700
#526B15
oklch(49.1% 0.113 125)
-
Step 800
800
#435715
oklch(42.6% 0.093 125)
-
Step 900
900
#394819
oklch(37.7% 0.073 124.7)
-
Step 950
950
#212A10
oklch(26.9% 0.045 125.1)
#668227 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) | #89791A | 0.054 |
| Deuteranopia (no green cones) | #85782E | 0.054 |
| Tritanopia (no blue cones) | #6B7C70 | 0.099 |
| Achromatopsia (no color) | #787878 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668227
#668227
oklch(56.6% 0.121 125)
- #8762AF
#8762AF
oklch(56.6% 0.121 305)
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 #668227, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.017
- Murky Green #6C7A0E ΔE 0.023
- Olive Green #677A04 ΔE 0.025
- Moss Green #658B38 ΔE 0.026
- Mossy Green #638B27 ΔE 0.026
- Swamp Green #748500 ΔE 0.027
- Khaki Green #728639 ΔE 0.027
- Military Green #667C3E ΔE 0.033
Use #668227 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.