#ACC66D
Closest named color: Light Moss Green (#A6C875). oklch(78.7% 0.119 122.5), rgb(172, 198, 109).
Aa
Black text reads best on this color (11.05:1).
About this color
#ACC66D is a light, moderately saturated yellow. In OKLCH its lightness is 79%, 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 Light Moss Green (#A6C875), ΔE 0.010 away. Black text reads best on it, at 11.05:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.05:1 |
| White text | 1.90:1 |
Values
| HEX | #ACC66D |
| RGB | rgb(172, 198, 109) |
| HSL | hsl(78, 44%, 60%) |
| OKLCH | oklch(78.7% 0.119 122.5) |
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 #ACC66D | 1.90:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #ACC66D | 11.05:1 | AAA | Lc 67.8 | Content text, not long reading |
| #ACC66D text on white | 1.90:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #ACC66D text on black | 11.05:1 | AAA | Lc -66.4 | Content text, not long reading |
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 300.
-
Step 50
50
#F3F7EC
oklch(97% 0.015 123)
-
Step 100
100
#E5EED5
oklch(93.6% 0.034 123.2)
-
Step 200
200
#D1E1B1
oklch(88.6% 0.066 122.7)
-
Step 300
300 (this color)
#ACC66D
oklch(78.7% 0.119 122.5)
-
Step 400
400
#8EB000
oklch(70.6% 0.172 122.4)
-
Step 500
500
#799700
oklch(63% 0.154 122.6)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
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
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#ACC66D 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) | #CFBD66 | 0.050 |
| Deuteranopia (no green cones) | #CCBC72 | 0.052 |
| Tritanopia (no blue cones) | #B2BEB1 | 0.098 |
| Achromatopsia (no color) | #BCBCBC | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC66D
#ACC66D
oklch(78.7% 0.119 122.5)
- #C8A7F9
#C8A7F9
oklch(78.7% 0.119 302.2)
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 #ACC66D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.010
- Light Olive #ACBF69 ΔE 0.018
- Tan Green #A9BE70 ΔE 0.024
- Light Olive Green #A4BE5C ΔE 0.028
- Greenish Tan #BCCB7A ΔE 0.030
- Pale Olive #B9CC81 ΔE 0.032
- Pale Olive Green #B1D27B ΔE 0.033
- Dark Khaki #BDB76B ΔE 0.044
Use #ACC66D 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.