#EFC740
Closest named color: Golden (#F5BF03). oklch(84.2% 0.152 91.8), rgb(239, 199, 64).
Aa
Black text reads best on this color (12.91:1).
About this color
#EFC740 is a light, vivid yellow. In OKLCH its lightness is 84%, its chroma 0.152 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Golden (#F5BF03), ΔE 0.024 away. Black text reads best on it, at 12.91:1.
| Hue family | Yellows |
| Lightness | light (84%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Golden (#F5BF03) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #EFC740 |
| RGB | rgb(239, 199, 64) |
| HSL | hsl(46, 85%, 59%) |
| OKLCH | oklch(84.2% 0.152 91.8) |
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 #EFC740 | 1.62:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #EFC740 | 12.91:1 | AAA | Lc 76.0 | Fine for body text |
| #EFC740 text on white | 1.62:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #EFC740 text on black | 12.91:1 | AAA | Lc -75.1 | Fine for body 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 300.
-
Step 50
50
#FAF5E6
oklch(97% 0.02 91.6)
-
Step 100
100
#F4EAC9
oklch(93.6% 0.045 93.1)
-
Step 200
200
#EDD898
oklch(88.5% 0.085 92)
-
Step 300
300 (this color)
#EFC740
oklch(84.2% 0.152 91.8)
-
Step 400
400
#C19C00
oklch(70.6% 0.144 91.7)
-
Step 500
500
#A68600
oklch(63.2% 0.129 91.9)
-
Step 600
600
#8B7000
oklch(55.5% 0.114 92)
-
Step 700
700
#755E00
oklch(49.1% 0.1 92.1)
-
Step 800
800
#604D00
oklch(42.7% 0.087 92.5)
-
Step 900
900
#504000
oklch(37.8% 0.077 92.8)
-
Step 950
950
#302500
oklch(26.9% 0.055 91.9)
#EFC740 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) | #DDC42A | 0.033 |
| Deuteranopia (no green cones) | #E7D048 | 0.023 |
| Tritanopia (no blue cones) | #FFB7AC | 0.137 |
| Achromatopsia (no color) | #CBCBCB | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFC740
#EFC740
oklch(84.2% 0.152 91.8)
- #B9C9FF
#B9C9FF
oklch(84.2% 0.078 271.8)
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 #EFC740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Golden #F5BF03 ΔE 0.024
- Maize #F4D054 ΔE 0.025
- Golden Yellow #FEC615 ΔE 0.025
- Marigold #FCC006 ΔE 0.026
- Sunflower #FFC512 ΔE 0.026
- Golden Rod #F9BC08 ΔE 0.029
- Maximum Yellow Red #FCBF49 ΔE 0.030
- Amber #FFBE0B ΔE 0.030
Use #EFC740 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.