#ACC666
Closest named color: Light Moss Green (#A6C875). oklch(78.6% 0.126 121.8), rgb(172, 198, 102).
Aa
Black text reads best on this color (11.02:1).
About this color
#ACC666 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.126 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 0.015 away. Black text reads best on it, at 11.02:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.02:1 |
| White text | 1.90:1 |
Values
| HEX | #ACC666 |
| RGB | rgb(172, 198, 102) |
| HSL | hsl(76, 46%, 59%) |
| OKLCH | oklch(78.6% 0.126 121.8) |
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 #ACC666 | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #ACC666 | 11.02:1 | AAA | Lc 67.6 | Content text, not long reading |
| #ACC666 text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #ACC666 text on black | 11.02:1 | AAA | Lc -66.2 | 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
#D1E1AE
oklch(88.5% 0.07 122)
-
Step 300
300 (this color)
#ACC666
oklch(78.6% 0.126 121.8)
-
Step 400
400
#90B000
oklch(70.8% 0.171 121.8)
-
Step 500
500
#7B9700
oklch(63.2% 0.153 121.9)
-
Step 600
600
#677F00
oklch(55.7% 0.135 121.9)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4800
oklch(37.6% 0.091 121.4)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#ACC666 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) | #D0BC5E | 0.052 |
| Deuteranopia (no green cones) | #CDBC6B | 0.053 |
| Tritanopia (no blue cones) | #B3BEB0 | 0.105 |
| Achromatopsia (no color) | #BCBCBC | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC666
#ACC666
oklch(78.6% 0.126 121.8)
- #C8A5FD
#C8A5FD
oklch(78.5% 0.127 301.8)
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 #ACC666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.015
- Light Olive #ACBF69 ΔE 0.020
- Light Olive Green #A4BE5C ΔE 0.025
- Tan Green #A9BE70 ΔE 0.028
- Greenish Tan #BCCB7A ΔE 0.034
- Pale Olive Green #B1D27B ΔE 0.035
- Pale Olive #B9CC81 ΔE 0.037
- Dark Khaki #BDB76B ΔE 0.048
Use #ACC666 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.