#40A07D
Closest named color: Ocean Green (#3D9973). oklch(63.9% 0.105 166), rgb(64, 160, 125).
Aa
Black text reads best on this color (6.54:1).
About this color
#40A07D is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.105 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.022 away. Black text reads best on it, at 6.54:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #40A07D |
| RGB | rgb(64, 160, 125) |
| HSL | hsl(158, 43%, 44%) |
| OKLCH | oklch(63.9% 0.105 166) |
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 #40A07D | 3.20:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #40A07D | 6.54:1 | AA | Lc 45.0 | Large or bold text, headings |
| #40A07D text on white | 3.20:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #40A07D text on black | 6.54:1 | AA | Lc -42.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C8E0D5
oklch(88.6% 0.03 166.4)
-
Step 300
300
#A2CCB9
oklch(81% 0.052 165.8)
-
Step 400
400
#6CB195
oklch(70.6% 0.082 166.3)
-
Step 500
500 (this color)
#40A07D
oklch(63.9% 0.105 166)
-
Step 600
600
#048864
oklch(55.6% 0.114 166.2)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#015E44
oklch(42.8% 0.088 166.2)
-
Step 900
900
#124D39
oklch(37.7% 0.069 166)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#40A07D 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) | #9D957B | 0.106 |
| Deuteranopia (no green cones) | #8F8C7F | 0.100 |
| Tritanopia (no blue cones) | #02A096 | 0.040 |
| Achromatopsia (no color) | #909090 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A07D
#40A07D
oklch(63.9% 0.105 166)
- #BA7199
#BA7199
oklch(64% 0.105 346.5)
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 #40A07D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.022
- Jade #1FA774 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.032
- Blue Green #0F9B8E ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Tea #65AB7C ΔE 0.049
Use #40A07D 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.