#ACC378
Closest named color: Tan Green (#A9BE70). oklch(78.2% 0.102 122.7), rgb(172, 195, 120).
Aa
Black text reads best on this color (10.83:1).
About this color
#ACC378 is a light, moderately saturated yellow. In OKLCH its lightness is 78%, its chroma 0.102 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tan Green (#A9BE70), ΔE 0.015 away. Black text reads best on it, at 10.83:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Tan Green (#A9BE70) |
| Black text | 10.83:1 |
| White text | 1.93:1 |
Values
| HEX | #ACC378 |
| RGB | rgb(172, 195, 120) |
| HSL | hsl(78, 38%, 62%) |
| OKLCH | oklch(78.2% 0.102 122.7) |
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 #ACC378 | 1.93:1 | Fails | Lc -41.5 | Non-text elements, placeholder text |
| Black text on #ACC378 | 10.83:1 | AAA | Lc 66.7 | Content text, not long reading |
| #ACC378 text on white | 1.93:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #ACC378 text on black | 10.83:1 | AAA | Lc -65.3 | 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
#F4F7ED
oklch(97.1% 0.014 120.3)
-
Step 100
100
#E6EDD8
oklch(93.5% 0.029 122)
-
Step 200
200
#D2E0B7
oklch(88.5% 0.057 122.9)
-
Step 300
300 (this color)
#ACC378
oklch(78.2% 0.102 122.7)
-
Step 400
400
#8FB01F
oklch(70.8% 0.164 122.6)
-
Step 500
500
#799700
oklch(63% 0.154 122.6)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
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)
#ACC378 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) | #CBBB72 | 0.045 |
| Deuteranopia (no green cones) | #C8BA7C | 0.046 |
| Tritanopia (no blue cones) | #B2BCB0 | 0.084 |
| Achromatopsia (no color) | #BABABA | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC378
#ACC378
oklch(78.2% 0.102 122.7)
- #C5A8EF
#C5A8EF
oklch(78.2% 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 #ACC378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tan Green #A9BE70 ΔE 0.015
- Light Moss Green #A6C875 ΔE 0.017
- Light Olive #ACBF69 ΔE 0.017
- Pale Olive #B9CC81 ΔE 0.031
- Greenish Tan #BCCB7A ΔE 0.032
- Light Olive Green #A4BE5C ΔE 0.034
- Dark Khaki #BDB76B ΔE 0.035
- Pale Olive Green #B1D27B ΔE 0.041
Use #ACC378 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.