#40A059
Closest named color: Muted Green (#5FA052). oklch(63.1% 0.139 149.3), rgb(64, 160, 89).
Aa
Black text reads best on this color (6.39:1).
About this color
#40A059 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.139 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.026 away. Black text reads best on it, at 6.39:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #40A059 |
| RGB | rgb(64, 160, 89) |
| HSL | hsl(136, 43%, 44%) |
| OKLCH | oklch(63.1% 0.139 149.3) |
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 #40A059 | 3.28:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #40A059 | 6.39:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #40A059 text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #40A059 text on black | 6.39:1 | AA | Lc -41.8 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E1CC
oklch(88.6% 0.038 148.9)
-
Step 300
300
#A2CDA9
oklch(80.8% 0.068 149.5)
-
Step 400
400
#6DB47B
oklch(70.8% 0.11 149.3)
-
Step 500
500 (this color)
#40A059
oklch(63.1% 0.139 149.3)
-
Step 600
600
#108A3E
oklch(55.5% 0.15 149.4)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#076028
oklch(42.8% 0.117 149.1)
-
Step 900
900
#154E25
oklch(37.6% 0.09 149.1)
-
Step 950
950
#0E2E16
oklch(27% 0.058 149.2)
#40A059 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) | #A19354 | 0.114 |
| Deuteranopia (no green cones) | #958A5E | 0.113 |
| Tritanopia (no blue cones) | #269D8F | 0.078 |
| Achromatopsia (no color) | #8E8E8E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A059
#40A059
oklch(63.1% 0.139 149.3)
- #B768B2
#B768B2
oklch(63.2% 0.139 329.4)
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 #40A059, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.026
- Jade #1FA774 ΔE 0.034
- Mid Green #50A747 ΔE 0.035
- Flat Green #699D4C ΔE 0.036
- Seaweed Green #35AD6B ΔE 0.037
- Off Green #6BA353 ΔE 0.041
- Jade Green #2BAF6A ΔE 0.042
- Algae #54AC68 ΔE 0.042
Use #40A059 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.