#668402
Closest named color: Swamp Green (#748500). oklch(56.9% 0.141 124.1), rgb(102, 132, 2).
Aa
Black text reads best on this color (4.86:1).
About this color
#668402 is a medium-dark, vivid yellow. In OKLCH its lightness is 57%, its chroma 0.141 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp Green (#748500), ΔE 0.020 away. Black text reads best on it, at 4.86:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Swamp Green (#748500) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #668402 |
| RGB | rgb(102, 132, 2) |
| HSL | hsl(74, 97%, 26%) |
| OKLCH | oklch(56.9% 0.141 124.1) |
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 #668402 | 4.31:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #668402 | 4.86:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #668402 text on white | 4.31:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #668402 text on black | 4.86:1 | AA | Lc -32.0 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D4DDC4
oklch(88.4% 0.035 123.3)
-
Step 300
300
#B8C89B
oklch(80.9% 0.063 123.7)
-
Step 400
400
#93AB63
oklch(70.6% 0.101 124)
-
Step 500
500
#799633
oklch(63.1% 0.13 124.1)
-
Step 600
600 (this color)
#668402
oklch(56.9% 0.141 124.1)
-
Step 700
700
#526B00
oklch(49% 0.122 124.1)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#38490D
oklch(37.8% 0.085 124.5)
-
Step 950
950
#212B0A
oklch(27.1% 0.054 124.3)
#668402 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) | #8C7B00 | 0.060 |
| Deuteranopia (no green cones) | #887918 | 0.060 |
| Tritanopia (no blue cones) | #6C7D6F | 0.115 |
| Achromatopsia (no color) | #7A7A7A | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668402
#668402
oklch(56.9% 0.141 124.1)
- #8A5FBA
#8A5FBA
oklch(57% 0.141 304.1)
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 #668402, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp Green #748500 ΔE 0.020
- Sap Green #5C8B15 ΔE 0.021
- Mossy Green #638B27 ΔE 0.022
- Olive Green #677A04 ΔE 0.029
- Murky Green #6C7A0E ΔE 0.031
- Olive Drab #6B8E23 ΔE 0.031
- Moss Green #658B38 ΔE 0.032
- Swamp #698339 ΔE 0.036
Use #668402 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.