#ACC66A
Closest named color: Light Moss Green (#A6C875). oklch(78.7% 0.122 122.2), rgb(172, 198, 106).
Aa
Black text reads best on this color (11.03:1).
About this color
#ACC66A is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.122 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.012 away. Black text reads best on it, at 11.03:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.03:1 |
| White text | 1.90:1 |
Values
| HEX | #ACC66A |
| RGB | rgb(172, 198, 106) |
| HSL | hsl(77, 45%, 60%) |
| OKLCH | oklch(78.7% 0.122 122.2) |
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 #ACC66A | 1.90:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #ACC66A | 11.03:1 | AAA | Lc 67.7 | Content text, not long reading |
| #ACC66A text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #ACC66A text on black | 11.03:1 | AAA | Lc -66.3 | 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
#F3F7EB
oklch(97% 0.016 121.8)
-
Step 100
100
#E5EED4
oklch(93.5% 0.036 122.7)
-
Step 200
200
#D1E1AF
oklch(88.5% 0.068 122.2)
-
Step 300
300 (this color)
#ACC66A
oklch(78.7% 0.122 122.2)
-
Step 400
400
#8FB000
oklch(70.7% 0.172 122.1)
-
Step 500
500
#7A9700
oklch(63.1% 0.154 122.2)
-
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)
#ACC66A 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) | #D0BC62 | 0.052 |
| Deuteranopia (no green cones) | #CCBC6F | 0.052 |
| Tritanopia (no blue cones) | #B3BEB0 | 0.100 |
| Achromatopsia (no color) | #BCBCBC | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC66A
#ACC66A
oklch(78.7% 0.122 122.2)
- #C8A6FB
#C8A6FB
oklch(78.6% 0.123 302)
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 #ACC66A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.012
- Light Olive #ACBF69 ΔE 0.019
- Tan Green #A9BE70 ΔE 0.025
- Light Olive Green #A4BE5C ΔE 0.027
- Greenish Tan #BCCB7A ΔE 0.031
- Pale Olive Green #B1D27B ΔE 0.034
- Pale Olive #B9CC81 ΔE 0.034
- Dark Khaki #BDB76B ΔE 0.046
Use #ACC66A 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.