#55AC4A
Closest named color: Dark Pastel Green (#56AE57). oklch(66.8% 0.159 141.5), rgb(85, 172, 74).
Aa
Black text reads best on this color (7.38:1).
About this color
#55AC4A is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.159 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.014 away. Black text reads best on it, at 7.38:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #55AC4A |
| RGB | rgb(85, 172, 74) |
| HSL | hsl(113, 40%, 48%) |
| OKLCH | oklch(66.8% 0.159 141.5) |
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 #55AC4A | 2.84:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #55AC4A | 7.38:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #55AC4A text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #55AC4A text on black | 7.38:1 | AAA | Lc -47.6 | Large or bold text, headings |
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 500.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A5CE9F
oklch(81% 0.078 141.5)
-
Step 400
400
#72B469
oklch(70.7% 0.125 141.4)
-
Step 500
500 (this color)
#55AC4A
oklch(66.8% 0.159 141.5)
-
Step 600
600
#258A16
oklch(55.5% 0.173 141.4)
-
Step 700
700
#157504
oklch(49% 0.161 141.5)
-
Step 800
800
#16600C
oklch(42.8% 0.134 141.6)
-
Step 900
900
#1B4E14
oklch(37.6% 0.104 141.4)
-
Step 950
950
#112E0E
oklch(27% 0.065 141.8)
#55AC4A 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) | #B09E40 | 0.112 |
| Deuteranopia (no green cones) | #A49651 | 0.112 |
| Tritanopia (no blue cones) | #4BA796 | 0.104 |
| Achromatopsia (no color) | #999999 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AC4A
#55AC4A
oklch(66.8% 0.159 141.5)
- #C170CF
#C170CF
oklch(66.9% 0.16 321.5)
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 #55AC4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.014
- Mid Green #50A747 ΔE 0.016
- Fern #63A950 ΔE 0.018
- Medium Green #39AD48 ΔE 0.020
- Grass #5CAC2D ΔE 0.023
- Leaf #71AA34 ΔE 0.028
- Algae #54AC68 ΔE 0.034
- Off Green #6BA353 ΔE 0.037
Use #55AC4A 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.