#559D3A
Closest named color: Mid Green (#50A747). oklch(62.7% 0.152 138.2), rgb(85, 157, 58).
Aa
Black text reads best on this color (6.27:1).
About this color
#559D3A is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.152 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.028 away. Black text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #559D3A |
| RGB | rgb(85, 157, 58) |
| HSL | hsl(104, 46%, 42%) |
| OKLCH | oklch(62.7% 0.152 138.2) |
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 #559D3A | 3.34:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #559D3A | 6.27:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #559D3A text on white | 3.34:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #559D3A text on black | 6.27:1 | AA | Lc -41.0 | Non-text elements, placeholder text |
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
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A9CD9E
oklch(81% 0.075 138.4)
-
Step 400
400
#7AB268
oklch(70.6% 0.119 138.4)
-
Step 500
500 (this color)
#559D3A
oklch(62.7% 0.152 138.2)
-
Step 600
600
#398810
oklch(55.5% 0.165 138.1)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#255E07
oklch(42.7% 0.127 138.1)
-
Step 900
900
#234D12
oklch(37.6% 0.1 138.2)
-
Step 950
950
#152D0D
oklch(26.9% 0.062 138.6)
#559D3A 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) | #A2902F | 0.100 |
| Deuteranopia (no green cones) | #988A42 | 0.100 |
| Tritanopia (no blue cones) | #509888 | 0.105 |
| Achromatopsia (no color) | #8C8C8C | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559D3A
#559D3A
oklch(62.7% 0.152 138.2)
- #AE67C3
#AE67C3
oklch(62.7% 0.152 318.2)
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 #559D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.028
- Muted Green #5FA052 ΔE 0.029
- Flat Green #699D4C ΔE 0.031
- Grass Green #3F9B0B ΔE 0.037
- Grassy Green #419C03 ΔE 0.038
- Off Green #6BA353 ΔE 0.040
- Fern #63A950 ΔE 0.042
- Olive Drab #6B8E23 ΔE 0.044
Use #559D3A 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.