#42957A
Closest named color: Ocean Green (#3D9973). oklch(61% 0.092 169.2), rgb(66, 149, 122).
Aa
Black text reads best on this color (5.81:1).
About this color
#42957A is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.092 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.019 away. Black text reads best on it, at 5.81:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.81:1 |
| White text | 3.61:1 |
Values
| HEX | #42957A |
| RGB | rgb(66, 149, 122) |
| HSL | hsl(160, 39%, 42%) |
| OKLCH | oklch(61% 0.092 169.2) |
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 #42957A | 3.61:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #42957A | 5.81:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #42957A text on white | 3.61:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #42957A text on black | 5.81:1 | AA | Lc -38.2 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A5CABC
oklch(80.8% 0.044 170.2)
-
Step 400
400
#72AF99
oklch(70.6% 0.071 169.5)
-
Step 500
500 (this color)
#42957A
oklch(61% 0.092 169.2)
-
Step 600
600
#238669
oklch(55.7% 0.1 168.8)
-
Step 700
700
#137158
oklch(49.1% 0.092 169.5)
-
Step 800
800
#155C48
oklch(42.6% 0.076 169.6)
-
Step 900
900
#1B4C3C
oklch(37.8% 0.06 168.6)
-
Step 950
950
#112C23
oklch(26.9% 0.037 169.3)
#42957A 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) | #918C79 | 0.093 |
| Deuteranopia (no green cones) | #85837C | 0.089 |
| Tritanopia (no blue cones) | #1A968D | 0.032 |
| Achromatopsia (no color) | #878787 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42957A
#42957A
oklch(61% 0.092 169.2)
- #AC6C8C
#AC6C8C
oklch(61% 0.091 348.8)
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 #42957A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.019
- Dusty Teal #4C9085 ΔE 0.027
- Persian Green #2A9D8F ΔE 0.032
- Blue Green #0F9B8E ΔE 0.032
- Sea #3C9992 ΔE 0.034
- Slate Green #658D6D ΔE 0.037
- Viridian #1E9167 ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.040
Use #42957A 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.