#ACC555
Closest named color: Light Olive Green (#A4BE5C). oklch(78.2% 0.141 120.3), rgb(172, 197, 85).
Aa
Black text reads best on this color (10.87:1).
About this color
#ACC555 is a light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.141 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.025 away. Black text reads best on it, at 10.87:1.
| Hue family | Yellows |
| Lightness | light (78%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.87:1 |
| White text | 1.93:1 |
Values
| HEX | #ACC555 |
| RGB | rgb(172, 197, 85) |
| HSL | hsl(73, 49%, 55%) |
| OKLCH | oklch(78.2% 0.141 120.3) |
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 #ACC555 | 1.93:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #ACC555 | 10.87:1 | AAA | Lc 67.0 | Content text, not long reading |
| #ACC555 text on white | 1.93:1 | Fails | Lc 36.9 | Non-text elements, placeholder text |
| #ACC555 text on black | 10.87:1 | AAA | Lc -65.5 | 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
#F3F8EA
oklch(97.2% 0.019 122.8)
-
Step 100
100
#E6EED0
oklch(93.5% 0.041 119.3)
-
Step 200
200
#D2E1A7
oklch(88.4% 0.078 119.8)
-
Step 300
300 (this color)
#ACC555
oklch(78.2% 0.141 120.3)
-
Step 400
400
#93AF00
oklch(70.7% 0.169 120.5)
-
Step 500
500
#7E9600
oklch(63.2% 0.151 120.4)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#ACC555 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) | #D0BB49 | 0.052 |
| Deuteranopia (no green cones) | #CDBB5C | 0.054 |
| Tritanopia (no blue cones) | #B4BCAD | 0.119 |
| Achromatopsia (no color) | #BABABA | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC555
#ACC555
oklch(78.2% 0.141 120.3)
- #C5A4FF
#C5A4FF
oklch(78.2% 0.131 300.1)
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 #ACC555, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.025
- Light Olive #ACBF69 ΔE 0.030
- Light Moss Green #A6C875 ΔE 0.030
- Pea #A4BF20 ΔE 0.038
- Tan Green #A9BE70 ΔE 0.039
- Pale Olive Green #B1D27B ΔE 0.046
- Yellow Green #9ACD32 ΔE 0.046
- Greenish Tan #BCCB7A ΔE 0.047
Use #ACC555 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.