#56B557
Closest named color: Dark Pastel Green (#56AE57). oklch(69.3% 0.16 143.8), rgb(86, 181, 87).
Aa
Black text reads best on this color (8.14:1).
About this color
#56B557 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.160 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.020 away. Black text reads best on it, at 8.14:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #56B557 |
| RGB | rgb(86, 181, 87) |
| HSL | hsl(121, 39%, 52%) |
| OKLCH | oklch(69.3% 0.16 143.8) |
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 #56B557 | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #56B557 | 8.14:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #56B557 text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #56B557 text on black | 8.14:1 | AAA | Lc -51.8 | 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 400.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C2
oklch(88.4% 0.055 143.5)
-
Step 300
300
#99D297
oklch(80.9% 0.101 143.8)
-
Step 400
400 (this color)
#56B557
oklch(69.3% 0.16 143.8)
-
Step 500
500
#07A621
oklch(63% 0.204 143.8)
-
Step 600
600
#008C18
oklch(55.5% 0.181 143.8)
-
Step 700
700
#007613
oklch(49.1% 0.16 143.8)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#00510A
oklch(37.7% 0.123 143.9)
-
Step 950
950
#033006
oklch(27% 0.083 143.9)
#56B557 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) | #B8A64F | 0.119 |
| Deuteranopia (no green cones) | #AC9E5E | 0.118 |
| Tritanopia (no blue cones) | #48B09F | 0.100 |
| Achromatopsia (no color) | #A1A1A1 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56B557
#56B557
oklch(69.3% 0.16 143.8)
- #CC77D4
#CC77D4
oklch(69.5% 0.159 323.9)
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 #56B557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.020
- Cool Green #33B864 ΔE 0.022
- Boring Green #63B365 ΔE 0.023
- Leafy Green #51B73B ΔE 0.030
- Turtle Green #75B84F ΔE 0.031
- Fern #63A950 ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.035
- Dark Mint #48C072 ΔE 0.036
Use #56B557 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.