#ACC478
Closest named color: Light Moss Green (#A6C875). oklch(78.4% 0.104 123.1), rgb(172, 196, 120).
Aa
Black text reads best on this color (10.92:1).
About this color
#ACC478 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.104 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 0.015 away. Black text reads best on it, at 10.92:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 10.92:1 |
| White text | 1.92:1 |
Values
| HEX | #ACC478 |
| RGB | rgb(172, 196, 120) |
| HSL | hsl(79, 39%, 62%) |
| OKLCH | oklch(78.4% 0.104 123.1) |
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 #ACC478 | 1.92:1 | Fails | Lc -41.1 | Non-text elements, placeholder text |
| Black text on #ACC478 | 10.92:1 | AAA | Lc 67.2 | Content text, not long reading |
| #ACC478 text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #ACC478 text on black | 10.92:1 | AAA | Lc -65.7 | 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
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E6EED8
oklch(93.7% 0.03 123.3)
-
Step 200
200
#D2E0B6
oklch(88.5% 0.058 122.6)
-
Step 300
300 (this color)
#ACC478
oklch(78.4% 0.104 123.1)
-
Step 400
400
#8DB01B
oklch(70.6% 0.166 123.1)
-
Step 500
500
#789700
oklch(63% 0.154 123)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#ACC478 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) | #CCBC72 | 0.046 |
| Deuteranopia (no green cones) | #C9BB7C | 0.047 |
| Tritanopia (no blue cones) | #B1BDB1 | 0.085 |
| Achromatopsia (no color) | #BBBBBB | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC478
#ACC478
oklch(78.4% 0.104 123.1)
- #C6A9F0
#C6A9F0
oklch(78.5% 0.103 302.8)
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 #ACC478, 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
- Tan Green #A9BE70 ΔE 0.017
- Light Olive #ACBF69 ΔE 0.018
- Pale Olive #B9CC81 ΔE 0.029
- Greenish Tan #BCCB7A ΔE 0.030
- Light Olive Green #A4BE5C ΔE 0.034
- Dark Khaki #BDB76B ΔE 0.037
- Pale Olive Green #B1D27B ΔE 0.039
Use #ACC478 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.